无低温400 MHz (9.4 T)固态MAS核磁共振系统与液态核磁共振电位。

IF 1.8 3区化学 Q4 CHEMISTRY, PHYSICAL

Solid state nuclear magnetic resonance Pub Date : 2023-05-01 DOI:10.2139/ssrn.4377536

E. Kryukov, A. Karabanov, D. Langlais, D. Iuga, Rupert Reckless, J. Good

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引用次数: 0

摘要

我们表明，冷头操作产生的时间磁场畸变可以消除，并且使用无冷冻剂磁体可以获得高质量的固态魔角自旋NMR结果。无冷冻剂磁体的紧凑设计允许探针从底部插入（如在大多数NMR系统中），或者更方便地从顶部插入。磁场稳定时间可以在磁场斜坡后短至一小时。因此，单个无冷冻剂磁体可以用于不同的固定场。磁场可以每天改变，而不会影响测量分辨率。

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Cryogen-free 400 MHz (9.4 T) solid state MAS NMR system with liquid state NMR potential.

We show that the temporal magnetic field distortion generated by the Cold Head operation can be removed and high quality Solid-State Magic Angle Spinning NMR results can be obtained with a cryogen-free magnet. The compact design of the cryogen-free magnets allows for the probe to be inserted either from the bottom (as in most NMR systems) or, more conveniently, from the top. The magnetic field settling time can be made as short as an hour after a field ramp. Therefore, a single cryogen-free magnet can be used at different fixed fields. The magnetic field can be changed every day without compromising the measurement resolution.

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来源期刊

Solid state nuclear magnetic resonance 物理-光谱学

CiteScore

5.30

自引率

9.40%

发文量

审稿时长

72 days

期刊介绍： The journal Solid State Nuclear Magnetic Resonance publishes original manuscripts of high scientific quality dealing with all experimental and theoretical aspects of solid state NMR. This includes advances in instrumentation, development of new experimental techniques and methodology, new theoretical insights, new data processing and simulation methods, and original applications of established or novel methods to scientific problems.